Tenshi no Emi wo Mou Ichido

Beth, a nurse, finds contact information for her niece's father in her late sister's belongings. She is desperate to find him as her niece has leukemia and needs a bone marrow transplant. However, Beth's attempts to contact him are unsuccessful. She is disappointed, and the handsome new doctor at the clinic where she works offers a much-needed distraction. But Beth is astonished when she hears his name. Adam Knight...her niece's father? (Source: Renta!)